package cn.edu.huanu.service;

import cn.edu.huanu.exception.BusinessException;
import cn.edu.huanu.utils.R;

/**
 * @author hb
 * @date 2025-11-06 15:36:27
 */
public interface IndexService {
    R loadBanner() throws BusinessException;

    R loadParentCateogry(Integer parentId) throws BusinessException;

    R loadIndexBooks()throws BusinessException;
}
